New Release Updated: Mar 2026

Tecno Spark 40C

$101 (Expected Price)

Reviewed by the MobGadgets Tech Team

We analyze specs, compare pricing, and aggregate real-world data to bring you unbiased mobile reviews. Learn how we test.

Display 6.67" AMOLED

Processor Helio G81

Battery 6000mAh

RAM & Storage 128GB/256GB storage, Unspecified

Full Specs

Should you buy the Tecno Spark 40C?

Reasons to Buy

Massive 6000 mAh battery life
Large 6.7" display for media
Excellent value at $101

Reasons to Avoid

May be bulky due to large battery
Average camera performance in low light

Full Specifications

Network Technology: GSM / HSPA / LTE

Launch Announced: 2025, July 19 Status: Available. Released 2025, August

Body Dimensions: 165.6 x 77 x 8.4 mm (6.52 x 3.03 x 0.33 in) Weight: - Build: Glass front, plastic back, plastic frame SIM: Nano-SIM + Nano-SIM - : IP64 dust tight and water resistant (water splashes)
Drop resistant up to 1.5m

Display Type: IPS LCD, 120Hz Size: 6.67 inches, 107.4 cm² (~84.2% screen-to-body ratio) Resolution: 720 x 1600 pixels, 20:9 ratio (~263 ppi density)

Platform OS: Android 15, HIOS 15.1 Chipset: Mediatek Helio G81 (12 nm) CPU: Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) GPU: Mali-G52 MC2

Memory Card slot - Unspecified Internal: 128GB 4GB RAM, 128GB 8GB RAM, 256GB 8GB RAM

Main Camera Single: 13 MP, f/1.8, 27mm (wide), PDAF Features: Dual-LED flash, HDR Video: 1080p@30fps

Selfie camera Single: 8 MP Video: Yes

Sound Loudspeaker : Yes, with dual speakers 3.5mm jack : Yes

Comms WLAN: Yes Bluetooth: Yes Positioning: GPS NFC: No Infrared port: Yes Radio: FM radio USB: USB Type-C, OTG

Features Sensors: Fingerprint (side-mounted); unspecified sensors

Battery Type: 6000 mAh Charging: 18W wired

Misc Colors: Veil White, Ripple Blue, Titanium Grey, Ink Black Models: KM4k Price: About 90 EUR

Frequently Asked Questions

With its Dimensity 6300 chipset and 6GB of RAM, it handles everyday tasks and moderate gaming efficiently, though extremely graphic-intensive games may require lower settings.

Yes, to complement its massive 6000 mAh battery, it features standard fast charging capabilities to get you back up and running quickly.